# Problems

1 – 32 of 32
 Problem Title Likes Solvers Difficulty

#### Problem 43086. Recursion at variable input

Created by: Jamil Kasan

9

61

#### Problem 1827. Negation the hard way

Created by: Andrew Newell

Tags recursion

1

67

#### Problem 42647. Recursion - Fun

Created by: Manish Joshi

0

39

#### Problem 44543. Normie Function

Created by: Naimul Hassan

2

27

#### Problem 48990. Solve the recursion

Created by: Alisio

0

28

#### Problem 47385. Find Logic 28

Created by: Dev Gupta

1

84

Created by: Jean-Marie Sainthillier

6

145

#### Problem 292. Infernal Recursion

Created by: Matt Fig

Tags recursion

0

76

#### Problem 46591. Ackerman Function

Created by: Andrew Mohebbi

Tags recursion

2

22

#### Problem 44073. Fractal: area and perimeter of Koch snowflake

Created by: Jihye Sofia Seo

1

22

#### Problem 54390. That's not my hat!

Created by: Sourabh Warrier

1

8

#### Problem 1978. Sokoban: Puzzle 10.45

Created by: Richard Zapor

0

7

#### Problem 56030. Pay up

Created by: Sourabh Warrier

1

5

#### Problem 56215. Calculate pi using the Mandelbrot Set.

Created by: Gerardo Domínguez Ramírez

0

5

#### Problem 734. Ackermann's Function

Created by: Richard Zapor

4

66

#### Problem 2838. Optimum Egyptian Fractions

Created by: Jan Orwat

0

13

#### Problem 1836. Negation and new variables

Created by: Jean-Marie Sainthillier

2

18

#### Problem 2005. BattleShip - Seaman (1) thru Admiral(6) : CPU Time Scoring(msec)

Created by: Richard Zapor

1

3

#### Problem 2026. Skyscrapers - Puzzle

Created by: Richard Zapor

1

5

1

7

#### Problem 47463. Slitherlink II: Gimmes

Created by: Richard Zapor

2

1

#### Problem 52355. ICFP2021 Hole-In-Wall: Solve Problem 47, Score=0, Figure Vertices 11, Hole Vertices 10

Created by: Richard Zapor

0

1

#### Problem 579. Spiral In

Created by: Nicholas Howe

3

80

#### Problem 2085. Sudoku Solver - Standard 9x9

Created by: Richard Zapor

7

32

#### Problem 47453. Slitherlink I: Trivial

Created by: Richard Zapor

0

3

#### Problem 44955. Spell the number

Created by: Graham

0

4

#### Problem 1301. RISK Calculator - Large Armies, High Accuracy, Fast

Created by: Richard Zapor

4

17

#### Problem 47468. Slitherlink III: Evolve

Created by: Richard Zapor

0

1

#### Problem 47478. Slitherlink V: Assert/Evolve/Check (large)

Created by: Richard Zapor

1

1

#### Problem 1173. Binpack Contest: Retro - - Best Packing

Created by: Richard Zapor

0

6

#### Problem 47473. Slitherlink IV: Recursive (medium size)

Created by: Richard Zapor

0

0

#### Problem 633. Create Circular Perfect Square Sequence

Created by: Richard Zapor

Tags recursion

1

9

1 – 32 of 32